public class LazySingletonFactory {
    private LazySingletonFactory(){}

    private static LazySingletonFactory instance = null;

    public static LazySingletonFactory getInstance(){
        if (instance == null){
            instance = new LazySingletonFactory();
        }
        return instance;
    }

    public String shoInfo(){
        return  Integer.toString(this.hashCode());
    }
}
